linux/drivers/clk/rockchip/clk-rk3188.c
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   1/*
   2 * Copyright (c) 2014 MundoReader S.L.
   3 * Author: Heiko Stuebner <heiko@sntech.de>
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License as published by
   7 * the Free Software Foundation; either version 2 of the License, or
   8 * (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 */
  15
  16#include <linux/clk.h>
  17#include <linux/clk-provider.h>
  18#include <linux/of.h>
  19#include <linux/of_address.h>
  20#include <dt-bindings/clock/rk3188-cru-common.h>
  21#include "clk.h"
  22
  23#define RK3066_GRF_SOC_STATUS   0x15c
  24#define RK3188_GRF_SOC_STATUS   0xac
  25
  26enum rk3188_plls {
  27        apll, cpll, dpll, gpll,
  28};
  29
  30static struct rockchip_pll_rate_table rk3188_pll_rates[] = {
  31        RK3066_PLL_RATE(2208000000, 1, 92, 1),
  32        RK3066_PLL_RATE(2184000000, 1, 91, 1),
  33        RK3066_PLL_RATE(2160000000, 1, 90, 1),
  34        RK3066_PLL_RATE(2136000000, 1, 89, 1),
  35        RK3066_PLL_RATE(2112000000, 1, 88, 1),
  36        RK3066_PLL_RATE(2088000000, 1, 87, 1),
  37        RK3066_PLL_RATE(2064000000, 1, 86, 1),
  38        RK3066_PLL_RATE(2040000000, 1, 85, 1),
  39        RK3066_PLL_RATE(2016000000, 1, 84, 1),
  40        RK3066_PLL_RATE(1992000000, 1, 83, 1),
  41        RK3066_PLL_RATE(1968000000, 1, 82, 1),
  42        RK3066_PLL_RATE(1944000000, 1, 81, 1),
  43        RK3066_PLL_RATE(1920000000, 1, 80, 1),
  44        RK3066_PLL_RATE(1896000000, 1, 79, 1),
  45        RK3066_PLL_RATE(1872000000, 1, 78, 1),
  46        RK3066_PLL_RATE(1848000000, 1, 77, 1),
  47        RK3066_PLL_RATE(1824000000, 1, 76, 1),
  48        RK3066_PLL_RATE(1800000000, 1, 75, 1),
  49        RK3066_PLL_RATE(1776000000, 1, 74, 1),
  50        RK3066_PLL_RATE(1752000000, 1, 73, 1),
  51        RK3066_PLL_RATE(1728000000, 1, 72, 1),
  52        RK3066_PLL_RATE(1704000000, 1, 71, 1),
  53        RK3066_PLL_RATE(1680000000, 1, 70, 1),
  54        RK3066_PLL_RATE(1656000000, 1, 69, 1),
  55        RK3066_PLL_RATE(1632000000, 1, 68, 1),
  56        RK3066_PLL_RATE(1608000000, 1, 67, 1),
  57        RK3066_PLL_RATE(1560000000, 1, 65, 1),
  58        RK3066_PLL_RATE(1512000000, 1, 63, 1),
  59        RK3066_PLL_RATE(1488000000, 1, 62, 1),
  60        RK3066_PLL_RATE(1464000000, 1, 61, 1),
  61        RK3066_PLL_RATE(1440000000, 1, 60, 1),
  62        RK3066_PLL_RATE(1416000000, 1, 59, 1),
  63        RK3066_PLL_RATE(1392000000, 1, 58, 1),
  64        RK3066_PLL_RATE(1368000000, 1, 57, 1),
  65        RK3066_PLL_RATE(1344000000, 1, 56, 1),
  66        RK3066_PLL_RATE(1320000000, 1, 55, 1),
  67        RK3066_PLL_RATE(1296000000, 1, 54, 1),
  68        RK3066_PLL_RATE(1272000000, 1, 53, 1),
  69        RK3066_PLL_RATE(1248000000, 1, 52, 1),
  70        RK3066_PLL_RATE(1224000000, 1, 51, 1),
  71        RK3066_PLL_RATE(1200000000, 1, 50, 1),
  72        RK3066_PLL_RATE(1188000000, 2, 99, 1),
  73        RK3066_PLL_RATE(1176000000, 1, 49, 1),
  74        RK3066_PLL_RATE(1128000000, 1, 47, 1),
  75        RK3066_PLL_RATE(1104000000, 1, 46, 1),
  76        RK3066_PLL_RATE(1008000000, 1, 84, 2),
  77        RK3066_PLL_RATE( 912000000, 1, 76, 2),
  78        RK3066_PLL_RATE( 891000000, 8, 594, 2),
  79        RK3066_PLL_RATE( 888000000, 1, 74, 2),
  80        RK3066_PLL_RATE( 816000000, 1, 68, 2),
  81        RK3066_PLL_RATE( 798000000, 2, 133, 2),
  82        RK3066_PLL_RATE( 792000000, 1, 66, 2),
  83        RK3066_PLL_RATE( 768000000, 1, 64, 2),
  84        RK3066_PLL_RATE( 742500000, 8, 495, 2),
  85        RK3066_PLL_RATE( 696000000, 1, 58, 2),
  86        RK3066_PLL_RATE( 600000000, 1, 50, 2),
  87        RK3066_PLL_RATE( 594000000, 2, 198, 4),
  88        RK3066_PLL_RATE( 552000000, 1, 46, 2),
  89        RK3066_PLL_RATE( 504000000, 1, 84, 4),
  90        RK3066_PLL_RATE( 456000000, 1, 76, 4),
  91        RK3066_PLL_RATE( 408000000, 1, 68, 4),
  92        RK3066_PLL_RATE( 384000000, 2, 128, 4),
  93        RK3066_PLL_RATE( 360000000, 1, 60, 4),
  94        RK3066_PLL_RATE( 312000000, 1, 52, 4),
  95        RK3066_PLL_RATE( 300000000, 1, 50, 4),
  96        RK3066_PLL_RATE( 297000000, 2, 198, 8),
  97        RK3066_PLL_RATE( 252000000, 1, 84, 8),
  98        RK3066_PLL_RATE( 216000000, 1, 72, 8),
  99        RK3066_PLL_RATE( 148500000, 2, 99, 8),
 100        RK3066_PLL_RATE( 126000000, 1, 84, 16),
 101        RK3066_PLL_RATE(  48000000, 1, 64, 32),
 102        { /* sentinel */ },
 103};
 104
 105#define RK3066_DIV_CORE_PERIPH_MASK     0x3
 106#define RK3066_DIV_CORE_PERIPH_SHIFT    6
 107#define RK3066_DIV_ACLK_CORE_MASK       0x7
 108#define RK3066_DIV_ACLK_CORE_SHIFT      0
 109#define RK3066_DIV_ACLK_HCLK_MASK       0x3
 110#define RK3066_DIV_ACLK_HCLK_SHIFT      8
 111#define RK3066_DIV_ACLK_PCLK_MASK       0x3
 112#define RK3066_DIV_ACLK_PCLK_SHIFT      12
 113#define RK3066_DIV_AHB2APB_MASK         0x3
 114#define RK3066_DIV_AHB2APB_SHIFT        14
 115
 116#define RK3066_CLKSEL0(_core_peri)                                      \
 117        {                                                               \
 118                .reg = RK2928_CLKSEL_CON(0),                            \
 119                .val = HIWORD_UPDATE(_core_peri, RK3066_DIV_CORE_PERIPH_MASK, \
 120                                RK3066_DIV_CORE_PERIPH_SHIFT)           \
 121        }
 122#define RK3066_CLKSEL1(_aclk_core, _aclk_hclk, _aclk_pclk, _ahb2apb)    \
 123        {                                                               \
 124                .reg = RK2928_CLKSEL_CON(1),                            \
 125                .val = HIWORD_UPDATE(_aclk_core, RK3066_DIV_ACLK_CORE_MASK, \
 126                                RK3066_DIV_ACLK_CORE_SHIFT) |           \
 127                       HIWORD_UPDATE(_aclk_hclk, RK3066_DIV_ACLK_HCLK_MASK, \
 128                                RK3066_DIV_ACLK_HCLK_SHIFT) |           \
 129                       HIWORD_UPDATE(_aclk_pclk, RK3066_DIV_ACLK_PCLK_MASK, \
 130                                RK3066_DIV_ACLK_PCLK_SHIFT) |           \
 131                       HIWORD_UPDATE(_ahb2apb, RK3066_DIV_AHB2APB_MASK, \
 132                                RK3066_DIV_AHB2APB_SHIFT),              \
 133        }
 134
 135#define RK3066_CPUCLK_RATE(_prate, _core_peri, _acore, _ahclk, _apclk, _h2p) \
 136        {                                                               \
 137                .prate = _prate,                                        \
 138                .divs = {                                               \
 139                        RK3066_CLKSEL0(_core_peri),                     \
 140                        RK3066_CLKSEL1(_acore, _ahclk, _apclk, _h2p),   \
 141                },                                                      \
 142        }
 143
 144static struct rockchip_cpuclk_rate_table rk3066_cpuclk_rates[] __initdata = {
 145        RK3066_CPUCLK_RATE(1416000000, 2, 3, 1, 2, 1),
 146        RK3066_CPUCLK_RATE(1200000000, 2, 3, 1, 2, 1),
 147        RK3066_CPUCLK_RATE(1008000000, 2, 2, 1, 2, 1),
 148        RK3066_CPUCLK_RATE( 816000000, 2, 2, 1, 2, 1),
 149        RK3066_CPUCLK_RATE( 600000000, 1, 2, 1, 2, 1),
 150        RK3066_CPUCLK_RATE( 504000000, 1, 1, 1, 2, 1),
 151        RK3066_CPUCLK_RATE( 312000000, 0, 1, 1, 1, 0),
 152};
 153
 154static const struct rockchip_cpuclk_reg_data rk3066_cpuclk_data = {
 155        .core_reg = RK2928_CLKSEL_CON(0),
 156        .div_core_shift = 0,
 157        .div_core_mask = 0x1f,
 158        .mux_core_shift = 8,
 159};
 160
 161#define RK3188_DIV_ACLK_CORE_MASK       0x7
 162#define RK3188_DIV_ACLK_CORE_SHIFT      3
 163
 164#define RK3188_CLKSEL1(_aclk_core)              \
 165        {                                       \
 166                .reg = RK2928_CLKSEL_CON(1),    \
 167                .val = HIWORD_UPDATE(_aclk_core, RK3188_DIV_ACLK_CORE_MASK,\
 168                                 RK3188_DIV_ACLK_CORE_SHIFT) \
 169        }
 170#define RK3188_CPUCLK_RATE(_prate, _core_peri, _aclk_core)      \
 171        {                                                       \
 172                .prate = _prate,                                \
 173                .divs = {                                       \
 174                        RK3066_CLKSEL0(_core_peri),             \
 175                        RK3188_CLKSEL1(_aclk_core),             \
 176                },                                              \
 177        }
 178
 179static struct rockchip_cpuclk_rate_table rk3188_cpuclk_rates[] __initdata = {
 180        RK3188_CPUCLK_RATE(1608000000, 2, 3),
 181        RK3188_CPUCLK_RATE(1416000000, 2, 3),
 182        RK3188_CPUCLK_RATE(1200000000, 2, 3),
 183        RK3188_CPUCLK_RATE(1008000000, 2, 3),
 184        RK3188_CPUCLK_RATE( 816000000, 2, 3),
 185        RK3188_CPUCLK_RATE( 600000000, 1, 3),
 186        RK3188_CPUCLK_RATE( 504000000, 1, 3),
 187        RK3188_CPUCLK_RATE( 312000000, 0, 1),
 188};
 189
 190static const struct rockchip_cpuclk_reg_data rk3188_cpuclk_data = {
 191        .core_reg = RK2928_CLKSEL_CON(0),
 192        .div_core_shift = 9,
 193        .div_core_mask = 0x1f,
 194        .mux_core_shift = 8,
 195};
 196
 197PNAME(mux_pll_p)                = { "xin24m", "xin32k" };
 198PNAME(mux_armclk_p)             = { "apll", "gpll_armclk" };
 199PNAME(mux_ddrphy_p)             = { "dpll", "gpll_ddr" };
 200PNAME(mux_pll_src_gpll_cpll_p)  = { "gpll", "cpll" };
 201PNAME(mux_pll_src_cpll_gpll_p)  = { "cpll", "gpll" };
 202PNAME(mux_aclk_cpu_p)           = { "apll", "gpll" };
 203PNAME(mux_sclk_cif0_p)          = { "cif0_pre", "xin24m" };
 204PNAME(mux_sclk_i2s0_p)          = { "i2s0_pre", "i2s0_frac", "xin12m" };
 205PNAME(mux_sclk_spdif_p)         = { "spdif_pre", "spdif_frac", "xin12m" };
 206PNAME(mux_sclk_uart0_p)         = { "uart0_pre", "uart0_frac", "xin24m" };
 207PNAME(mux_sclk_uart1_p)         = { "uart1_pre", "uart1_frac", "xin24m" };
 208PNAME(mux_sclk_uart2_p)         = { "uart2_pre", "uart2_frac", "xin24m" };
 209PNAME(mux_sclk_uart3_p)         = { "uart3_pre", "uart3_frac", "xin24m" };
 210PNAME(mux_sclk_hsadc_p)         = { "hsadc_src", "hsadc_frac", "ext_hsadc" };
 211PNAME(mux_mac_p)                = { "gpll", "dpll" };
 212PNAME(mux_sclk_macref_p)        = { "mac_src", "ext_rmii" };
 213
 214static struct rockchip_pll_clock rk3066_pll_clks[] __initdata = {
 215        [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
 216                     RK2928_MODE_CON, 0, 5, 0, rk3188_pll_rates),
 217        [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
 218                     RK2928_MODE_CON, 4, 4, 0, NULL),
 219        [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
 220                     RK2928_MODE_CON, 8, 6, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
 221        [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
 222                     RK2928_MODE_CON, 12, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
 223};
 224
 225static struct rockchip_pll_clock rk3188_pll_clks[] __initdata = {
 226        [apll] = PLL(pll_rk3066, PLL_APLL, "apll", mux_pll_p, 0, RK2928_PLL_CON(0),
 227                     RK2928_MODE_CON, 0, 6, 0, rk3188_pll_rates),
 228        [dpll] = PLL(pll_rk3066, PLL_DPLL, "dpll", mux_pll_p, 0, RK2928_PLL_CON(4),
 229                     RK2928_MODE_CON, 4, 5, 0, NULL),
 230        [cpll] = PLL(pll_rk3066, PLL_CPLL, "cpll", mux_pll_p, 0, RK2928_PLL_CON(8),
 231                     RK2928_MODE_CON, 8, 7, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
 232        [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK2928_PLL_CON(12),
 233                     RK2928_MODE_CON, 12, 8, ROCKCHIP_PLL_SYNC_RATE, rk3188_pll_rates),
 234};
 235
 236#define MFLAGS CLK_MUX_HIWORD_MASK
 237#define DFLAGS CLK_DIVIDER_HIWORD_MASK
 238#define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE)
 239#define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK
 240
 241/* 2 ^ (val + 1) */
 242static struct clk_div_table div_core_peri_t[] = {
 243        { .val = 0, .div = 2 },
 244        { .val = 1, .div = 4 },
 245        { .val = 2, .div = 8 },
 246        { .val = 3, .div = 16 },
 247        { /* sentinel */ },
 248};
 249
 250static struct rockchip_clk_branch common_clk_branches[] __initdata = {
 251        /*
 252         * Clock-Architecture Diagram 2
 253         */
 254
 255        GATE(0, "gpll_armclk", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS),
 256
 257        /* these two are set by the cpuclk and should not be changed */
 258        COMPOSITE_NOMUX_DIVTBL(CORE_PERI, "core_peri", "armclk", 0,
 259                        RK2928_CLKSEL_CON(0), 6, 2, DFLAGS | CLK_DIVIDER_READ_ONLY,
 260                        div_core_peri_t, RK2928_CLKGATE_CON(0), 0, GFLAGS),
 261
 262        COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_p, 0,
 263                        RK2928_CLKSEL_CON(32), 7, 1, MFLAGS, 0, 5, DFLAGS,
 264                        RK2928_CLKGATE_CON(3), 9, GFLAGS),
 265        GATE(0, "hclk_vepu", "aclk_vepu", 0,
 266                        RK2928_CLKGATE_CON(3), 10, GFLAGS),
 267        COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_p, 0,
 268                        RK2928_CLKSEL_CON(32), 15, 1, MFLAGS, 8, 5, DFLAGS,
 269                        RK2928_CLKGATE_CON(3), 11, GFLAGS),
 270        GATE(0, "hclk_vdpu", "aclk_vdpu", 0,
 271                        RK2928_CLKGATE_CON(3), 12, GFLAGS),
 272
 273        GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED,
 274                        RK2928_CLKGATE_CON(1), 7, GFLAGS),
 275        COMPOSITE(0, "ddrphy", mux_ddrphy_p, CLK_IGNORE_UNUSED,
 276                        RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 277                        RK2928_CLKGATE_CON(0), 2, GFLAGS),
 278
 279        GATE(0, "aclk_cpu", "aclk_cpu_pre", 0,
 280                        RK2928_CLKGATE_CON(0), 3, GFLAGS),
 281
 282        GATE(0, "atclk_cpu", "pclk_cpu_pre", 0,
 283                        RK2928_CLKGATE_CON(0), 6, GFLAGS),
 284        GATE(0, "pclk_cpu", "pclk_cpu_pre", 0,
 285                        RK2928_CLKGATE_CON(0), 5, GFLAGS),
 286        GATE(0, "hclk_cpu", "hclk_cpu_pre", CLK_IGNORE_UNUSED,
 287                        RK2928_CLKGATE_CON(0), 4, GFLAGS),
 288
 289        COMPOSITE(0, "aclk_lcdc0_pre", mux_pll_src_cpll_gpll_p, CLK_IGNORE_UNUSED,
 290                        RK2928_CLKSEL_CON(31), 7, 1, MFLAGS, 0, 5, DFLAGS,
 291                        RK2928_CLKGATE_CON(3), 0, GFLAGS),
 292        COMPOSITE(0, "aclk_lcdc1_pre", mux_pll_src_cpll_gpll_p, 0,
 293                        RK2928_CLKSEL_CON(31), 15, 1, MFLAGS, 8, 5, DFLAGS,
 294                        RK2928_CLKGATE_CON(1), 4, GFLAGS),
 295
 296        GATE(0, "aclk_peri", "aclk_peri_pre", 0,
 297                        RK2928_CLKGATE_CON(2), 1, GFLAGS),
 298        COMPOSITE_NOMUX(0, "hclk_peri", "aclk_peri_pre", 0,
 299                        RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 300                        RK2928_CLKGATE_CON(2), 2, GFLAGS),
 301        COMPOSITE_NOMUX(0, "pclk_peri", "aclk_peri_pre", 0,
 302                        RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 303                        RK2928_CLKGATE_CON(2), 3, GFLAGS),
 304
 305        MUX(0, "cif_src", mux_pll_src_cpll_gpll_p, 0,
 306                        RK2928_CLKSEL_CON(29), 0, 1, MFLAGS),
 307        COMPOSITE_NOMUX(0, "cif0_pre", "cif_src", 0,
 308                        RK2928_CLKSEL_CON(29), 1, 5, DFLAGS,
 309                        RK2928_CLKGATE_CON(3), 7, GFLAGS),
 310        MUX(SCLK_CIF0, "sclk_cif0", mux_sclk_cif0_p, 0,
 311                        RK2928_CLKSEL_CON(29), 7, 1, MFLAGS),
 312
 313        GATE(0, "pclkin_cif0", "ext_cif0", 0,
 314                        RK2928_CLKGATE_CON(3), 3, GFLAGS),
 315        INVERTER(0, "pclk_cif0", "pclkin_cif0",
 316                        RK2928_CLKSEL_CON(30), 8, IFLAGS),
 317
 318        /*
 319         * the 480m are generated inside the usb block from these clocks,
 320         * but they are also a source for the hsicphy clock.
 321         */
 322        GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", CLK_IGNORE_UNUSED,
 323                        RK2928_CLKGATE_CON(1), 5, GFLAGS),
 324        GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", CLK_IGNORE_UNUSED,
 325                        RK2928_CLKGATE_CON(1), 6, GFLAGS),
 326
 327        COMPOSITE(0, "mac_src", mux_mac_p, 0,
 328                        RK2928_CLKSEL_CON(21), 0, 1, MFLAGS, 8, 5, DFLAGS,
 329                        RK2928_CLKGATE_CON(2), 5, GFLAGS),
 330        MUX(SCLK_MAC, "sclk_macref", mux_sclk_macref_p, CLK_SET_RATE_PARENT,
 331                        RK2928_CLKSEL_CON(21), 4, 1, MFLAGS),
 332        GATE(0, "sclk_mac_lbtest", "sclk_macref",
 333                        RK2928_CLKGATE_CON(2), 12, 0, GFLAGS),
 334
 335        COMPOSITE(0, "hsadc_src", mux_pll_src_gpll_cpll_p, 0,
 336                        RK2928_CLKSEL_CON(22), 0, 1, MFLAGS, 8, 8, DFLAGS,
 337                        RK2928_CLKGATE_CON(2), 6, GFLAGS),
 338        COMPOSITE_FRAC(0, "hsadc_frac", "hsadc_src", 0,
 339                        RK2928_CLKSEL_CON(23), 0,
 340                        RK2928_CLKGATE_CON(2), 7, GFLAGS),
 341        MUX(0, "sclk_hsadc_out", mux_sclk_hsadc_p, 0,
 342                        RK2928_CLKSEL_CON(22), 4, 2, MFLAGS),
 343        INVERTER(SCLK_HSADC, "sclk_hsadc", "sclk_hsadc_out",
 344                        RK2928_CLKSEL_CON(22), 7, IFLAGS),
 345
 346        COMPOSITE_NOMUX(SCLK_SARADC, "sclk_saradc", "xin24m", 0,
 347                        RK2928_CLKSEL_CON(24), 8, 8, DFLAGS,
 348                        RK2928_CLKGATE_CON(2), 8, GFLAGS),
 349
 350        COMPOSITE_NOMUX(0, "spdif_pre", "i2s_src", 0,
 351                        RK2928_CLKSEL_CON(5), 0, 7, DFLAGS,
 352                        RK2928_CLKGATE_CON(0), 13, GFLAGS),
 353        COMPOSITE_FRAC(0, "spdif_frac", "spdif_pre", CLK_SET_RATE_PARENT,
 354                        RK2928_CLKSEL_CON(9), 0,
 355                        RK2928_CLKGATE_CON(0), 14, GFLAGS),
 356        MUX(SCLK_SPDIF, "sclk_spdif", mux_sclk_spdif_p, CLK_SET_RATE_PARENT,
 357                        RK2928_CLKSEL_CON(5), 8, 2, MFLAGS),
 358
 359        /*
 360         * Clock-Architecture Diagram 4
 361         */
 362
 363        GATE(SCLK_SMC, "sclk_smc", "hclk_peri",
 364                        RK2928_CLKGATE_CON(2), 4, 0, GFLAGS),
 365
 366        COMPOSITE_NOMUX(SCLK_SPI0, "sclk_spi0", "pclk_peri", 0,
 367                        RK2928_CLKSEL_CON(25), 0, 7, DFLAGS,
 368                        RK2928_CLKGATE_CON(2), 9, GFLAGS),
 369        COMPOSITE_NOMUX(SCLK_SPI1, "sclk_spi1", "pclk_peri", 0,
 370                        RK2928_CLKSEL_CON(25), 8, 7, DFLAGS,
 371                        RK2928_CLKGATE_CON(2), 10, GFLAGS),
 372
 373        COMPOSITE_NOMUX(SCLK_SDMMC, "sclk_sdmmc", "hclk_peri", 0,
 374                        RK2928_CLKSEL_CON(11), 0, 6, DFLAGS,
 375                        RK2928_CLKGATE_CON(2), 11, GFLAGS),
 376        COMPOSITE_NOMUX(SCLK_SDIO, "sclk_sdio", "hclk_peri", 0,
 377                        RK2928_CLKSEL_CON(12), 0, 6, DFLAGS,
 378                        RK2928_CLKGATE_CON(2), 13, GFLAGS),
 379        COMPOSITE_NOMUX(SCLK_EMMC, "sclk_emmc", "hclk_peri", 0,
 380                        RK2928_CLKSEL_CON(12), 8, 6, DFLAGS,
 381                        RK2928_CLKGATE_CON(2), 14, GFLAGS),
 382
 383        MUX(0, "uart_src", mux_pll_src_gpll_cpll_p, 0,
 384                        RK2928_CLKSEL_CON(12), 15, 1, MFLAGS),
 385        COMPOSITE_NOMUX(0, "uart0_pre", "uart_src", 0,
 386                        RK2928_CLKSEL_CON(13), 0, 7, DFLAGS,
 387                        RK2928_CLKGATE_CON(1), 8, GFLAGS),
 388        COMPOSITE_FRAC(0, "uart0_frac", "uart0_pre", 0,
 389                        RK2928_CLKSEL_CON(17), 0,
 390                        RK2928_CLKGATE_CON(1), 9, GFLAGS),
 391        MUX(SCLK_UART0, "sclk_uart0", mux_sclk_uart0_p, 0,
 392                        RK2928_CLKSEL_CON(13), 8, 2, MFLAGS),
 393        COMPOSITE_NOMUX(0, "uart1_pre", "uart_src", 0,
 394                        RK2928_CLKSEL_CON(14), 0, 7, DFLAGS,
 395                        RK2928_CLKGATE_CON(1), 10, GFLAGS),
 396        COMPOSITE_FRAC(0, "uart1_frac", "uart1_pre", 0,
 397                        RK2928_CLKSEL_CON(18), 0,
 398                        RK2928_CLKGATE_CON(1), 11, GFLAGS),
 399        MUX(SCLK_UART1, "sclk_uart1", mux_sclk_uart1_p, 0,
 400                        RK2928_CLKSEL_CON(14), 8, 2, MFLAGS),
 401        COMPOSITE_NOMUX(0, "uart2_pre", "uart_src", 0,
 402                        RK2928_CLKSEL_CON(15), 0, 7, DFLAGS,
 403                        RK2928_CLKGATE_CON(1), 12, GFLAGS),
 404        COMPOSITE_FRAC(0, "uart2_frac", "uart2_pre", 0,
 405                        RK2928_CLKSEL_CON(19), 0,
 406                        RK2928_CLKGATE_CON(1), 13, GFLAGS),
 407        MUX(SCLK_UART2, "sclk_uart2", mux_sclk_uart2_p, 0,
 408                        RK2928_CLKSEL_CON(15), 8, 2, MFLAGS),
 409        COMPOSITE_NOMUX(0, "uart3_pre", "uart_src", 0,
 410                        RK2928_CLKSEL_CON(16), 0, 7, DFLAGS,
 411                        RK2928_CLKGATE_CON(1), 14, GFLAGS),
 412        COMPOSITE_FRAC(0, "uart3_frac", "uart3_pre", 0,
 413                        RK2928_CLKSEL_CON(20), 0,
 414                        RK2928_CLKGATE_CON(1), 15, GFLAGS),
 415        MUX(SCLK_UART3, "sclk_uart3", mux_sclk_uart3_p, 0,
 416                        RK2928_CLKSEL_CON(16), 8, 2, MFLAGS),
 417
 418        GATE(SCLK_JTAG, "jtag", "ext_jtag", 0, RK2928_CLKGATE_CON(1), 3, GFLAGS),
 419
 420        GATE(SCLK_TIMER0, "timer0", "xin24m", 0, RK2928_CLKGATE_CON(1), 0, GFLAGS),
 421        GATE(SCLK_TIMER1, "timer1", "xin24m", 0, RK2928_CLKGATE_CON(1), 1, GFLAGS),
 422
 423        /* clk_core_pre gates */
 424        GATE(0, "core_dbg", "armclk", 0, RK2928_CLKGATE_CON(9), 0, GFLAGS),
 425
 426        /* aclk_cpu gates */
 427        GATE(ACLK_DMA1, "aclk_dma1", "aclk_cpu", 0, RK2928_CLKGATE_CON(5), 0, GFLAGS),
 428        GATE(0, "aclk_intmem", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 12, GFLAGS),
 429        GATE(0, "aclk_strc_sys", "aclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 10, GFLAGS),
 430
 431        /* hclk_cpu gates */
 432        GATE(HCLK_ROM, "hclk_rom", "hclk_cpu", 0, RK2928_CLKGATE_CON(5), 6, GFLAGS),
 433        GATE(HCLK_I2S0, "hclk_i2s0", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS),
 434        GATE(HCLK_SPDIF, "hclk_spdif", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 1, GFLAGS),
 435        GATE(0, "hclk_cpubus", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 8, GFLAGS),
 436        /* hclk_ahb2apb is part of a clk branch */
 437        GATE(0, "hclk_vio_bus", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS),
 438        GATE(HCLK_LCDC0, "hclk_lcdc0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 1, GFLAGS),
 439        GATE(HCLK_LCDC1, "hclk_lcdc1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 2, GFLAGS),
 440        GATE(HCLK_CIF0, "hclk_cif0", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 4, GFLAGS),
 441        GATE(HCLK_IPP, "hclk_ipp", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 9, GFLAGS),
 442        GATE(HCLK_RGA, "hclk_rga", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 10, GFLAGS),
 443
 444        /* hclk_peri gates */
 445        GATE(0, "hclk_peri_axi_matrix", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 0, GFLAGS),
 446        GATE(0, "hclk_peri_ahb_arbi", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 6, GFLAGS),
 447        GATE(0, "hclk_emem_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 7, GFLAGS),
 448        GATE(HCLK_EMAC, "hclk_emac", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 0, GFLAGS),
 449        GATE(HCLK_NANDC0, "hclk_nandc0", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 9, GFLAGS),
 450        GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 5, GFLAGS),
 451        GATE(HCLK_OTG0, "hclk_usbotg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS),
 452        GATE(HCLK_HSADC, "hclk_hsadc", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 5, GFLAGS),
 453        GATE(HCLK_PIDF, "hclk_pidfilter", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 6, GFLAGS),
 454        GATE(HCLK_SDMMC, "hclk_sdmmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 10, GFLAGS),
 455        GATE(HCLK_SDIO, "hclk_sdio", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 11, GFLAGS),
 456        GATE(HCLK_EMMC, "hclk_emmc", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 12, GFLAGS),
 457
 458        /* aclk_lcdc0_pre gates */
 459        GATE(0, "aclk_vio0", "aclk_lcdc0_pre", 0, RK2928_CLKGATE_CON(6), 13, GFLAGS),
 460        GATE(ACLK_LCDC0, "aclk_lcdc0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 0, GFLAGS),
 461        GATE(ACLK_CIF0, "aclk_cif0", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 5, GFLAGS),
 462        GATE(ACLK_IPP, "aclk_ipp", "aclk_vio0", 0, RK2928_CLKGATE_CON(6), 8, GFLAGS),
 463
 464        /* aclk_lcdc1_pre gates */
 465        GATE(0, "aclk_vio1", "aclk_lcdc1_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
 466        GATE(ACLK_LCDC1, "aclk_lcdc1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 3, GFLAGS),
 467        GATE(ACLK_RGA, "aclk_rga", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 11, GFLAGS),
 468
 469        /* atclk_cpu gates */
 470        GATE(0, "atclk", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 3, GFLAGS),
 471        GATE(0, "trace", "atclk_cpu", 0, RK2928_CLKGATE_CON(9), 2, GFLAGS),
 472
 473        /* pclk_cpu gates */
 474        GATE(PCLK_PWM01, "pclk_pwm01", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS),
 475        GATE(PCLK_TIMER0, "pclk_timer0", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS),
 476        GATE(PCLK_I2C0, "pclk_i2c0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
 477        GATE(PCLK_I2C1, "pclk_i2c1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 5, GFLAGS),
 478        GATE(PCLK_GPIO0, "pclk_gpio0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 9, GFLAGS),
 479        GATE(PCLK_GPIO1, "pclk_gpio1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 10, GFLAGS),
 480        GATE(PCLK_GPIO2, "pclk_gpio2", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
 481        GATE(PCLK_EFUSE, "pclk_efuse", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 2, GFLAGS),
 482        GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 3, GFLAGS),
 483        GATE(0, "pclk_ddrupctl", "pclk_cpu", 0, RK2928_CLKGATE_CON(5), 7, GFLAGS),
 484        GATE(0, "pclk_ddrpubl", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
 485        GATE(0, "pclk_dbg", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 1, GFLAGS),
 486        GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 4, GFLAGS),
 487        GATE(PCLK_PMU, "pclk_pmu", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 5, GFLAGS),
 488
 489        /* aclk_peri */
 490        GATE(ACLK_DMA2, "aclk_dma2", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 1, GFLAGS),
 491        GATE(ACLK_SMC, "aclk_smc", "aclk_peri", 0, RK2928_CLKGATE_CON(5), 8, GFLAGS),
 492        GATE(0, "aclk_peri_niu", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 4, GFLAGS),
 493        GATE(0, "aclk_cpu_peri", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 2, GFLAGS),
 494        GATE(0, "aclk_peri_axi_matrix", "aclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 3, GFLAGS),
 495
 496        /* pclk_peri gates */
 497        GATE(0, "pclk_peri_axi_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS),
 498        GATE(PCLK_PWM23, "pclk_pwm23", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 11, GFLAGS),
 499        GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS),
 500        GATE(PCLK_SPI0, "pclk_spi0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS),
 501        GATE(PCLK_SPI1, "pclk_spi1", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 13, GFLAGS),
 502        GATE(PCLK_UART2, "pclk_uart2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 2, GFLAGS),
 503        GATE(PCLK_UART3, "pclk_uart3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 3, GFLAGS),
 504        GATE(PCLK_I2C2, "pclk_i2c2", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
 505        GATE(PCLK_I2C3, "pclk_i2c3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 7, GFLAGS),
 506        GATE(PCLK_I2C4, "pclk_i2c4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 8, GFLAGS),
 507        GATE(PCLK_GPIO3, "pclk_gpio3", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
 508        GATE(PCLK_SARADC, "pclk_saradc", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 14, GFLAGS),
 509};
 510
 511PNAME(mux_rk3066_lcdc0_p)       = { "dclk_lcdc0_src", "xin27m" };
 512PNAME(mux_rk3066_lcdc1_p)       = { "dclk_lcdc1_src", "xin27m" };
 513PNAME(mux_sclk_cif1_p)          = { "cif1_pre", "xin24m" };
 514PNAME(mux_sclk_i2s1_p)          = { "i2s1_pre", "i2s1_frac", "xin12m" };
 515PNAME(mux_sclk_i2s2_p)          = { "i2s2_pre", "i2s2_frac", "xin12m" };
 516
 517static struct clk_div_table div_aclk_cpu_t[] = {
 518        { .val = 0, .div = 1 },
 519        { .val = 1, .div = 2 },
 520        { .val = 2, .div = 3 },
 521        { .val = 3, .div = 4 },
 522        { .val = 4, .div = 8 },
 523        { /* sentinel */ },
 524};
 525
 526static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
 527        DIVTBL(0, "aclk_cpu_pre", "armclk", 0,
 528                        RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t),
 529        DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
 530                        RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
 531                                                            | CLK_DIVIDER_READ_ONLY),
 532        DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
 533                        RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
 534                                                           | CLK_DIVIDER_READ_ONLY),
 535        COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
 536                        RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO
 537                                                            | CLK_DIVIDER_READ_ONLY,
 538                        RK2928_CLKGATE_CON(4), 9, GFLAGS),
 539
 540        GATE(CORE_L2C, "core_l2c", "aclk_cpu", CLK_IGNORE_UNUSED,
 541                        RK2928_CLKGATE_CON(9), 4, GFLAGS),
 542
 543        COMPOSITE(0, "aclk_peri_pre", mux_pll_src_gpll_cpll_p, 0,
 544                        RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
 545                        RK2928_CLKGATE_CON(2), 0, GFLAGS),
 546
 547        COMPOSITE(0, "dclk_lcdc0_src", mux_pll_src_cpll_gpll_p, 0,
 548                        RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
 549                        RK2928_CLKGATE_CON(3), 1, GFLAGS),
 550        MUX(DCLK_LCDC0, "dclk_lcdc0", mux_rk3066_lcdc0_p, 0,
 551                        RK2928_CLKSEL_CON(27), 4, 1, MFLAGS),
 552        COMPOSITE(0, "dclk_lcdc1_src", mux_pll_src_cpll_gpll_p, 0,
 553                        RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
 554                        RK2928_CLKGATE_CON(3), 2, GFLAGS),
 555        MUX(DCLK_LCDC1, "dclk_lcdc1", mux_rk3066_lcdc1_p, 0,
 556                        RK2928_CLKSEL_CON(28), 4, 1, MFLAGS),
 557
 558        COMPOSITE_NOMUX(0, "cif1_pre", "cif_src", 0,
 559                        RK2928_CLKSEL_CON(29), 8, 5, DFLAGS,
 560                        RK2928_CLKGATE_CON(3), 8, GFLAGS),
 561        MUX(SCLK_CIF1, "sclk_cif1", mux_sclk_cif1_p, 0,
 562                        RK2928_CLKSEL_CON(29), 15, 1, MFLAGS),
 563
 564        GATE(0, "pclkin_cif1", "ext_cif1", 0,
 565                        RK2928_CLKGATE_CON(3), 4, GFLAGS),
 566        INVERTER(0, "pclk_cif1", "pclkin_cif1",
 567                        RK2928_CLKSEL_CON(30), 12, IFLAGS),
 568
 569        COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
 570                        RK2928_CLKSEL_CON(33), 8, 1, MFLAGS, 0, 5, DFLAGS,
 571                        RK2928_CLKGATE_CON(3), 13, GFLAGS),
 572        GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
 573                        RK2928_CLKGATE_CON(5), 15, GFLAGS),
 574
 575        GATE(SCLK_TIMER2, "timer2", "xin24m", 0,
 576                        RK2928_CLKGATE_CON(3), 2, GFLAGS),
 577
 578        COMPOSITE_NOMUX(0, "sclk_tsadc", "xin24m", 0,
 579                        RK2928_CLKSEL_CON(34), 0, 16, DFLAGS,
 580                        RK2928_CLKGATE_CON(2), 15, GFLAGS),
 581
 582        MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
 583                        RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
 584        COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
 585                        RK2928_CLKSEL_CON(2), 0, 7, DFLAGS,
 586                        RK2928_CLKGATE_CON(0), 7, GFLAGS),
 587        COMPOSITE_FRAC(0, "i2s0_frac", "i2s0_pre", 0,
 588                        RK2928_CLKSEL_CON(6), 0,
 589                        RK2928_CLKGATE_CON(0), 8, GFLAGS),
 590        MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
 591                        RK2928_CLKSEL_CON(2), 8, 2, MFLAGS),
 592        COMPOSITE_NOMUX(0, "i2s1_pre", "i2s_src", 0,
 593                        RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
 594                        RK2928_CLKGATE_CON(0), 9, GFLAGS),
 595        COMPOSITE_FRAC(0, "i2s1_frac", "i2s1_pre", 0,
 596                        RK2928_CLKSEL_CON(7), 0,
 597                        RK2928_CLKGATE_CON(0), 10, GFLAGS),
 598        MUX(SCLK_I2S1, "sclk_i2s1", mux_sclk_i2s1_p, 0,
 599                        RK2928_CLKSEL_CON(3), 8, 2, MFLAGS),
 600        COMPOSITE_NOMUX(0, "i2s2_pre", "i2s_src", 0,
 601                        RK2928_CLKSEL_CON(4), 0, 7, DFLAGS,
 602                        RK2928_CLKGATE_CON(0), 11, GFLAGS),
 603        COMPOSITE_FRAC(0, "i2s2_frac", "i2s2_pre", 0,
 604                        RK2928_CLKSEL_CON(8), 0,
 605                        RK2928_CLKGATE_CON(0), 12, GFLAGS),
 606        MUX(SCLK_I2S2, "sclk_i2s2", mux_sclk_i2s2_p, 0,
 607                        RK2928_CLKSEL_CON(4), 8, 2, MFLAGS),
 608
 609        GATE(HCLK_I2S1, "hclk_i2s1", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS),
 610        GATE(HCLK_I2S2, "hclk_i2s2", "hclk_cpu", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
 611        GATE(0, "hclk_cif1", "hclk_cpu", 0, RK2928_CLKGATE_CON(6), 6, GFLAGS),
 612        GATE(0, "hclk_hdmi", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
 613
 614        GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
 615                        RK2928_CLKGATE_CON(5), 14, GFLAGS),
 616
 617        GATE(0, "aclk_cif1", "aclk_vio1", 0, RK2928_CLKGATE_CON(6), 7, GFLAGS),
 618
 619        GATE(PCLK_TIMER1, "pclk_timer1", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 8, GFLAGS),
 620        GATE(PCLK_TIMER2, "pclk_timer2", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
 621        GATE(PCLK_GPIO6, "pclk_gpio6", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 15, GFLAGS),
 622        GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
 623        GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
 624
 625        GATE(PCLK_GPIO4, "pclk_gpio4", "pclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
 626        GATE(PCLK_TSADC, "pclk_tsadc", "pclk_peri", 0, RK2928_CLKGATE_CON(4), 13, GFLAGS),
 627};
 628
 629static struct clk_div_table div_rk3188_aclk_core_t[] = {
 630        { .val = 0, .div = 1 },
 631        { .val = 1, .div = 2 },
 632        { .val = 2, .div = 3 },
 633        { .val = 3, .div = 4 },
 634        { .val = 4, .div = 8 },
 635        { /* sentinel */ },
 636};
 637
 638PNAME(mux_hsicphy_p)            = { "sclk_otgphy0", "sclk_otgphy1",
 639                                    "gpll", "cpll" };
 640
 641static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
 642        COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", CLK_IGNORE_UNUSED,
 643                        RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
 644                        div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
 645
 646        /* do not source aclk_cpu_pre from the apll, to keep complexity down */
 647        COMPOSITE_NOGATE(0, "aclk_cpu_pre", mux_aclk_cpu_p, CLK_SET_RATE_NO_REPARENT,
 648                        RK2928_CLKSEL_CON(0), 5, 1, MFLAGS, 0, 5, DFLAGS),
 649        DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
 650                        RK2928_CLKSEL_CON(1), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
 651        DIV(0, "hclk_cpu_pre", "aclk_cpu_pre", 0,
 652                        RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
 653        COMPOSITE_NOMUX(0, "hclk_ahb2apb", "hclk_cpu_pre", 0,
 654                        RK2928_CLKSEL_CON(1), 14, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
 655                        RK2928_CLKGATE_CON(4), 9, GFLAGS),
 656
 657        GATE(CORE_L2C, "core_l2c", "armclk", CLK_IGNORE_UNUSED,
 658                        RK2928_CLKGATE_CON(9), 4, GFLAGS),
 659
 660        COMPOSITE(0, "aclk_peri_pre", mux_pll_src_cpll_gpll_p, 0,
 661                        RK2928_CLKSEL_CON(10), 15, 1, MFLAGS, 0, 5, DFLAGS,
 662                        RK2928_CLKGATE_CON(2), 0, GFLAGS),
 663
 664        COMPOSITE(DCLK_LCDC0, "dclk_lcdc0", mux_pll_src_cpll_gpll_p, 0,
 665                        RK2928_CLKSEL_CON(27), 0, 1, MFLAGS, 8, 8, DFLAGS,
 666                        RK2928_CLKGATE_CON(3), 1, GFLAGS),
 667        COMPOSITE(DCLK_LCDC1, "dclk_lcdc1", mux_pll_src_cpll_gpll_p, 0,
 668                        RK2928_CLKSEL_CON(28), 0, 1, MFLAGS, 8, 8, DFLAGS,
 669                        RK2928_CLKGATE_CON(3), 2, GFLAGS),
 670
 671        COMPOSITE(0, "aclk_gpu_src", mux_pll_src_cpll_gpll_p, 0,
 672                        RK2928_CLKSEL_CON(34), 7, 1, MFLAGS, 0, 5, DFLAGS,
 673                        RK2928_CLKGATE_CON(3), 15, GFLAGS),
 674        GATE(ACLK_GPU, "aclk_gpu", "aclk_gpu_src", 0,
 675                        RK2928_CLKGATE_CON(9), 7, GFLAGS),
 676
 677        GATE(SCLK_TIMER2, "timer2", "xin24m", 0, RK2928_CLKGATE_CON(3), 4, GFLAGS),
 678        GATE(SCLK_TIMER3, "timer3", "xin24m", 0, RK2928_CLKGATE_CON(1), 2, GFLAGS),
 679        GATE(SCLK_TIMER4, "timer4", "xin24m", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS),
 680        GATE(SCLK_TIMER5, "timer5", "xin24m", 0, RK2928_CLKGATE_CON(3), 8, GFLAGS),
 681        GATE(SCLK_TIMER6, "timer6", "xin24m", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS),
 682
 683        COMPOSITE_NODIV(0, "sclk_hsicphy_480m", mux_hsicphy_p, 0,
 684                        RK2928_CLKSEL_CON(30), 0, 2, DFLAGS,
 685                        RK2928_CLKGATE_CON(3), 6, GFLAGS),
 686        DIV(0, "sclk_hsicphy_12m", "sclk_hsicphy_480m", 0,
 687                        RK2928_CLKSEL_CON(11), 8, 6, DFLAGS),
 688
 689        MUX(0, "i2s_src", mux_pll_src_gpll_cpll_p, 0,
 690                        RK2928_CLKSEL_CON(2), 15, 1, MFLAGS),
 691        COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
 692                        RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
 693                        RK2928_CLKGATE_CON(0), 9, GFLAGS),
 694        COMPOSITE_FRAC(0, "i2s0_frac", "i2s0_pre", 0,
 695                        RK2928_CLKSEL_CON(7), 0,
 696                        RK2928_CLKGATE_CON(0), 10, GFLAGS),
 697        MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
 698                        RK2928_CLKSEL_CON(3), 8, 2, MFLAGS),
 699
 700        GATE(0, "hclk_imem0", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 14, GFLAGS),
 701        GATE(0, "hclk_imem1", "hclk_cpu", 0, RK2928_CLKGATE_CON(4), 15, GFLAGS),
 702
 703        GATE(HCLK_OTG1, "hclk_usbotg1", "hclk_peri", CLK_IGNORE_UNUSED,
 704                        RK2928_CLKGATE_CON(7), 3, GFLAGS),
 705        GATE(HCLK_HSIC, "hclk_hsic", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 4, GFLAGS),
 706
 707        GATE(PCLK_TIMER3, "pclk_timer3", "pclk_cpu", 0, RK2928_CLKGATE_CON(7), 9, GFLAGS),
 708
 709        GATE(PCLK_UART0, "pclk_uart0", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 0, GFLAGS),
 710        GATE(PCLK_UART1, "pclk_uart1", "hclk_ahb2apb", 0, RK2928_CLKGATE_CON(8), 1, GFLAGS),
 711
 712        GATE(ACLK_GPS, "aclk_gps", "aclk_peri", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
 713};
 714
 715static const char *const rk3188_critical_clocks[] __initconst = {
 716        "aclk_cpu",
 717        "aclk_peri",
 718        "hclk_peri",
 719        "pclk_cpu",
 720        "pclk_peri",
 721};
 722
 723static void __init rk3188_common_clk_init(struct device_node *np)
 724{
 725        void __iomem *reg_base;
 726        struct clk *clk;
 727
 728        reg_base = of_iomap(np, 0);
 729        if (!reg_base) {
 730                pr_err("%s: could not map cru region\n", __func__);
 731                return;
 732        }
 733
 734        rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
 735
 736        /* xin12m is created by an cru-internal divider */
 737        clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2);
 738        if (IS_ERR(clk))
 739                pr_warn("%s: could not register clock xin12m: %ld\n",
 740                        __func__, PTR_ERR(clk));
 741
 742        clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1);
 743        if (IS_ERR(clk))
 744                pr_warn("%s: could not register clock usb480m: %ld\n",
 745                        __func__, PTR_ERR(clk));
 746
 747        rockchip_clk_register_branches(common_clk_branches,
 748                                  ARRAY_SIZE(common_clk_branches));
 749
 750        rockchip_register_softrst(np, 9, reg_base + RK2928_SOFTRST_CON(0),
 751                                  ROCKCHIP_SOFTRST_HIWORD_MASK);
 752
 753        rockchip_register_restart_notifier(RK2928_GLB_SRST_FST);
 754}
 755
 756static void __init rk3066a_clk_init(struct device_node *np)
 757{
 758        rk3188_common_clk_init(np);
 759        rockchip_clk_register_plls(rk3066_pll_clks,
 760                                   ARRAY_SIZE(rk3066_pll_clks),
 761                                   RK3066_GRF_SOC_STATUS);
 762        rockchip_clk_register_branches(rk3066a_clk_branches,
 763                                  ARRAY_SIZE(rk3066a_clk_branches));
 764        rockchip_clk_register_armclk(ARMCLK, "armclk",
 765                        mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
 766                        &rk3066_cpuclk_data, rk3066_cpuclk_rates,
 767                        ARRAY_SIZE(rk3066_cpuclk_rates));
 768        rockchip_clk_protect_critical(rk3188_critical_clocks,
 769                                      ARRAY_SIZE(rk3188_critical_clocks));
 770}
 771CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
 772
 773static void __init rk3188a_clk_init(struct device_node *np)
 774{
 775        struct clk *clk1, *clk2;
 776        unsigned long rate;
 777        int ret;
 778
 779        rk3188_common_clk_init(np);
 780        rockchip_clk_register_plls(rk3188_pll_clks,
 781                                   ARRAY_SIZE(rk3188_pll_clks),
 782                                   RK3188_GRF_SOC_STATUS);
 783        rockchip_clk_register_branches(rk3188_clk_branches,
 784                                  ARRAY_SIZE(rk3188_clk_branches));
 785        rockchip_clk_register_armclk(ARMCLK, "armclk",
 786                                  mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
 787                                  &rk3188_cpuclk_data, rk3188_cpuclk_rates,
 788                                  ARRAY_SIZE(rk3188_cpuclk_rates));
 789
 790        /* reparent aclk_cpu_pre from apll */
 791        clk1 = __clk_lookup("aclk_cpu_pre");
 792        clk2 = __clk_lookup("gpll");
 793        if (clk1 && clk2) {
 794                rate = clk_get_rate(clk1);
 795
 796                ret = clk_set_parent(clk1, clk2);
 797                if (ret < 0)
 798                        pr_warn("%s: could not reparent aclk_cpu_pre to gpll\n",
 799                                __func__);
 800
 801                clk_set_rate(clk1, rate);
 802        } else {
 803                pr_warn("%s: missing clocks to reparent aclk_cpu_pre to gpll\n",
 804                        __func__);
 805        }
 806
 807        rockchip_clk_protect_critical(rk3188_critical_clocks,
 808                                      ARRAY_SIZE(rk3188_critical_clocks));
 809}
 810CLK_OF_DECLARE(rk3188a_cru, "rockchip,rk3188a-cru", rk3188a_clk_init);
 811
 812static void __init rk3188_clk_init(struct device_node *np)
 813{
 814        int i;
 815
 816        for (i = 0; i < ARRAY_SIZE(rk3188_pll_clks); i++) {
 817                struct rockchip_pll_clock *pll = &rk3188_pll_clks[i];
 818                struct rockchip_pll_rate_table *rate;
 819
 820                if (!pll->rate_table)
 821                        continue;
 822
 823                rate = pll->rate_table;
 824                while (rate->rate > 0) {
 825                        rate->nb = 1;
 826                        rate++;
 827                }
 828        }
 829
 830        rk3188a_clk_init(np);
 831}
 832CLK_OF_DECLARE(rk3188_cru, "rockchip,rk3188-cru", rk3188_clk_init);
 833